1 map; 24 x 25 cm. "Capt. Pingstone was specially commissioned by the Oregon Railway and Navigation Company to make a reconnoissance of the Columbia River, from the neighborhood of Fort Colville to Ainsworth, and report on the navigability for…
1 map: col., 21 x 50 cm. Henry Warre was sent by the British government to visit Northwest America and make notes on the area from a military point of view. At the time, America and Britain were engaged in a very unfriendly conflict as to…
1 map; 15 x 23 cm. This map comes from a souvenir booklet published specifically for distribution at the Washington State Building at the World's Colombian Exposition held in Chicago in 1893.